<template>
  <div class="studentList">
    <!-- 查询、重置 -->
    <el-form :inline="true" :model="formInline" class="demo-form-inline" size="small">
      <el-form-item label="姓名">
        <el-input v-model="formInline.name" placeholder="请输入姓名查询"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="find">查询</el-button>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" @click="reset">重置</el-button>
      </el-form-item>
    </el-form>
    <!-- 1: 1-10   2: 11-20  公式: slice((当前页数 - 1) * 每页条数, 当前页数 * 当前条数 )-->
    <!-- <el-table :data="tableData.slice((currentPage - 1) * pageSize, currentPage * pageSize)" border style="width: 100%"> -->
    <el-table :data="compData" border style="width: 100%">
      <el-table-column prop="name" label="姓名" align="center"></el-table-column>
      <el-table-column prop="sex_text" label="性别" align="center"></el-table-column>
      <el-table-column prop="age" label="年龄" align="center"></el-table-column>
      <el-table-column prop="number" label="学号" align="center"></el-table-column>
      <el-table-column prop="class" label="班级" align="center"></el-table-column>
      <el-table-column prop="state_text" label="状态" align="center"></el-table-column>
      <el-table-column prop="address" label="地址" align="center"></el-table-column>
      <el-table-column prop="phone" label="联系方式" align="center"></el-table-column>
      <el-table-column label="操作" align="center">
        <template slot-scope="scope">
          <el-button type="danger" size="mini" icon="el-icon-delete" @click="del(scope.row)"></el-button>
        </template>
      </el-table-column>
    </el-table>
    <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="currentPage"
                   :page-sizes="[5, 10, 20, 30, 50]" :page-size="pageSize"
                   layout="total, sizes, prev, pager, next, jumper"
                   :total="total">
    </el-pagination>
  </div>
</template>
<script>
import {students, studentDel} from "@/api/api.js";

export default {
  data() {
    return {
      tableData: [],
      currentPage: 1, //当前页数
      pageSize: 10, // 每页显示条数
      total: 0, // 总条数
      formInline: {
        name: "",
      },
    };
  },
  created() {
    this.getData();
  },
  computed: {
    compData() {
      return this.tableData.slice(
          (this.currentPage - 1) * this.pageSize,
          this.currentPage * this.pageSize
      );
    },
  },
  methods: {
    find() {
      console.log(this.formInline);
      this.getData(this.formInline)
    },
    reset() {
      console.log(this.formInline);
      this.formInline = {}
      this.getData(this.formInline)
    },
    handleSizeChange(val) {
      this.pageSize = val;
      this.currentPage = 1;
    },
    handleCurrentChange(val) {
      this.currentPage = val;
    },
    getData(params) {
      students(params).then((res) => {
        if (res.data.status === 200) {
          this.tableData = res.data.data;
          this.total = res.data.total;
          console.log(res);
          this.tableData.forEach((item) => {
            // 尽量不要修改原数据
            item.sex === 1 ? (item.sex_text = "男") : (item.sex_text = "女");
            item.state === "1"
                ? (item.state_text = "已入学")
                : item.state === "2"
                    ? (item.state_text = "未入学")
                    : (item.state_text = "休学中");
          });
        }
      });
    },
    del(row) {
      console.log(row);
      studentDel(row.id).then((res) => {
        console.log(res);
        if (res.data.status === 200) {
          this.$message({message: "删除数据成功", type: "success"});
          this.getData();
        }
      });
    },
  },
};
</script>
<style lang="scss">
.studentList {

  .demo-form-inline,
  .el-form-item {
    text-align: left;
  }

  .el-pagination {
    text-align: left;
    margin-top: 20px;
  }
}
</style>
